Popular Hand Book for Cement and Concrete Users: A Comprehensive and Popular Treatise on the Principles Involved and Methods Employed in the Design and Construction of Modern Concrete Work ...Norman W. Henley Publishing Company, 1911 - 430 стор. |
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Сторінка 12
... diameter . By means of appropriate machinery it is slowly rotated at an average speed of one revolution a minute . The cylinder is usually slightly inclined to the horizontal so as to facilitate the movement of the material to the point ...
... diameter . By means of appropriate machinery it is slowly rotated at an average speed of one revolution a minute . The cylinder is usually slightly inclined to the horizontal so as to facilitate the movement of the material to the point ...
Сторінка 21
... diameter and 1/2 inch thick in the middle and with thin edges on glass plates , and allow them to set . When the pat just resists the pressure of a needle inch in diameter weighted with 1/4 pound it is said to have had its initial set ...
... diameter and 1/2 inch thick in the middle and with thin edges on glass plates , and allow them to set . When the pat just resists the pressure of a needle inch in diameter weighted with 1/4 pound it is said to have had its initial set ...
Сторінка 24
... diameter , one - half inch thick at centre , tapering to a thin edge , shall be kept in moist air for a period of twenty - four hours . ( a ) A pat is then kept in air at normal temperature . ( b ) Another is kept in water maintained as ...
... diameter , one - half inch thick at centre , tapering to a thin edge , shall be kept in moist air for a period of twenty - four hours . ( a ) A pat is then kept in air at normal temperature . ( b ) Another is kept in water maintained as ...
Сторінка 25
... diameter , one - half inch thick at the centre , and tapering to a thin edge , shall be kept in moist air for a period of twenty - four hours . ( a ) A pat is then kept in air at normal temperature and observed at intervals for at least ...
... diameter , one - half inch thick at the centre , and tapering to a thin edge , shall be kept in moist air for a period of twenty - four hours . ( a ) A pat is then kept in air at normal temperature and observed at intervals for at least ...
Сторінка 34
... diameter gives stronger concrete than an aggregate with 1 in . maximum size , and the 1 - in . stone gives a stronger concrete than a 1 / 2 - in . stone . 2. The largest stone makes the densest concrete . Concrete made with stone having ...
... diameter gives stronger concrete than an aggregate with 1 in . maximum size , and the 1 - in . stone gives a stronger concrete than a 1 / 2 - in . stone . 2. The largest stone makes the densest concrete . Concrete made with stone having ...
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50 cents abutment acid aggregate applied arch asphalt barrel bars bending bottom brick bridge broken stone building carrying cent centre chapter coat color columns compression compressive stress concrete blocks consists construction cost cracks crete cubic cubic foot depth diameter employed engineer face feet filled finish floor forms formula foundation girders gravel grout gypsum hardening horizontal hydraulic lime inches lath lime load machine manufacture masonry material metal method mixer mixing mixture mortar mould O'CONOR SLOANE obtained ornamental pile pipe placed plaster plaster of Paris Portland cement posts practical pressure Price proportions reinforced concrete reinforced-concrete removed resistance retaining walls rods Rule sand sewer shear slab slaked lime space span steel stirrups strength stress structure stucco surface tamped tanks tensile stresses tension tests tile trowel tunnel vertical waterproofing weight wire wooden
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Сторінка 25 - Pats of neat cement about three inches in diameter, one-half inch thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of twenty-four hours.